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• SERVICE MANUAL NUMBER 25 MAINTENANCE IMPORTANT INFORMATION Section 1B - Maintenance Table of Contents Tools.1B-2 Closed Cooling System. • MAINTENANCE SERVICE MANUAL NUMBER 25 Tools Description Part Number Timing Light 91-99379 Quicksilver Scan Tool 91-823686A2 Lubricants / Sealants / Adhesives Description Part Number Quicksilver Liquid Neoprene 92-25711--3 Quicksilver 2-4-C Marine Lubricant With Teflon 92-825407A3 Loctite Pipe Sealant With Teflon Obtain Locally Quicksilver U-Joint and Gimbal Bearing Grease 92-828052A2. • In consideration of these factors, Mercury MerCruiser has adjusted some maintenance intervals and corresponding tasks to be performed. In some cases, this may allow for more individual tasks to be performed in a single visit to the serving dealer, rather than multiple visits.

• MAINTENANCE SERVICE MANUAL NUMBER 25 Gas Sterndrive(Continued) Scheduled Maintenance * Every Every Every Every Every Annu- hours hours ally hours or or 3 or 3 years years Annually years years Touch-up paint power package and spray with corrosion guard. Change crankcase oil and filter. Pokemon orange league game download for android. Change drive unit oil and retorque connection of gimbal ring to steering shaft. • Timing must be set using a special procedure as outlined in the appropriate section of this manual.

Timing can- not be properly set using the conventional method. A special procedure must be followed to adjust idle rpm.

Consult your Authorized Mercury MerCruiser Dealer before attempting this procedure. • MAINTENANCE SERVICE MANUAL NUMBER 25 Fluid Capacities NOTICE Unit Of Measurement: U.S. Quarts (Liters) All capacities are approximate fluid measures. Sterndrive Engines Model All Models Crankcase Oil (With Filter) 4-1/2 (4.3) Seawater Cooling System 15 (14.1) Closed Cooling System 20 (19) Always use dipstick to determine exact quantity of oil or fluid required.

• (full throttle) rpm. End of First Season Checkup At the end of the first season of operation, an Authorized Mercury MerCruiser Dealer should be contacted to discuss and/or perform various scheduled maintenance items. If you are in an area where the product is operated continuously (year-round operation), you should contact your dealer at the end of the first 100 hours of operation, or once yearly, whichever occurs first. • FUEL RATINGS Mercury MerCruiser engines will operate satisfactorily when using a major brand of unleaded gasoline as follows: USA and Canada - having a posted pump Octane Rating of 87 (R+M)/2 minimum. Premium gasoline [92 (R+M)/2 Octane] is also acceptable. • The fuel system components on your Mercury MerCruiser engine will withstand up to 10% alcohol content in the gasoline. We do not know what percentage your boat’s fuel system will withstand.

• 400 hours, whichever occurs first. All coolants other than Extended Life 5/100 Ethylene Glycol Antifreeze/Coolant must be changed every 2 years or 400 hours, whichever occurs first. Mercury MerCruiser V-8 engines can use any type of permanent antifreeze or any brand antifreeze solution that meets GM specification 1825M. • Overfilled crankcases (oil level being too high ) can cause a fluctuation or drop in oil pressure and rocker arm “clatter” on Mercury MerCruiser engines.

The over-full condition results in the engine crankshaft splashing and agitating the oil, causing it to foam (become aerated). • MAINTENANCE SERVICE MANUAL NUMBER 25 Checking Engine Oil Level / Filling IMPORTANT: ENGINE CRANKCASE OIL MUST BE CHECKED AT INTERVALS SPECIFIED IN “MAINTENANCE SCHEDULE” CHART. It is normal for an engine to use a certain amount of oil in the process of lubrication and cooling of the engine. The amount of oil consumption is greatly dependent upon engine speed, with consumption being highest at wide-open-throttle and decreasing substantially as engine speed is reduced. • SERVICE MANUAL NUMBER 25 MAINTENANCE Changing Water Separating Fuel Filter WARNING Be careful when changing water separating fuel filter.

Gasoline is extremely flammable and highly explosive under certain conditions. Be sure ignition key is OFF. Do not smoke or allow spark or open flame in area when changing fuel filter.

Wipe up any spilled fuel immediately. • MAINTENANCE SERVICE MANUAL NUMBER 25 2. Remove water separating fuel filter and sealing ring from mounting bracket and discard. 70573 Fuel Filter Sealing Ring 3. Coat sealing ring on new filter with motor oil. Works of darkness e&a koetting.